PRI file icon

PRI File Extension

Qt Project Include Format

What is PRI file?

PRI is a file format associated with Qt development environment. PRI files store compiler settings and qmake parameters. PRI files also contain references to other project files and target system information. Although PRI files store information in plain text, such files should not be edited without working knowledge of Qt framework.


Qt is a software development environment and framework for building graphical user interfaces. Qt a is multi-platform tool that offers many advanced development tools. It is available as a free noncommercial license. Qt saves all its settings in text files (such as PRI) which can be reused across multiple projects.

Programs which support PRI file extension

The following list contains programs grouped by 3 operating systems that support PRI files. Files with PRI suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Programs that support PRI file

Updated: 09/11/2022

How to open file with PRI extension?

There can be multiple causes why you have problems with opening PRI files on given system. On the bright side, the most encountered issues pertaining to Qt Project Include Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Get the Nokia Qt SDK

Install software to open PRI file The main and most frequent cause precluding users form opening PRI files is that no program that can handle PRI files is installed on user’s system. The solution is straightforward, just download and install Nokia Qt SDK. The full list of programs grouped by operating systems can be found above. If you want to download Nokia Qt SDK installer in the most secured manner, we suggest you visit website and download from their official repositories.

Step 2. Verify the you have the latest version of Nokia Qt SDK

Update software that support file extension PRIIf the problems with opening PRI files still occur even after installing Nokia Qt SDK, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Nokia Qt SDK is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. If you have an older version of Nokia Qt SDK installed, it may not support PRI format. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Nokia Qt SDK.

Step 3. Associate Qt Project Include Format files with Nokia Qt SDK

If you have the latest version of Nokia Qt SDK installed and the problem persists, select it as the default program to be used to manage PRI on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Associate software with PRI file on Windows

The procedure to change the default program in Windows

  • Clicking the PRI with right mouse button will bring a menu from which you should select the Open with option
  • Select Choose another app → More apps
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the Nokia Qt SDK installation folder. Confirm by checking Always use this app to open PRI files box and clicking OK button.
Associate software with PRI file on Mac

The procedure to change the default program in Mac OS

  • From the drop-down menu, accessed by clicking the file with PRI extension, select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • Select the appropriate software and save your settings by clicking Change all
  • Finally, a This change will be applied to all files with PRI extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Verify that the PRI is not faulty

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper PRI file. It is probable that the file is corrupted and thus cannot be accessed.

Check PRI file for viruses
1. Verify that the PRI in question is not infected with a computer virus

Should it happed that the PRI is infected with a virus, this may be that cause that prevents you from accessing it. Scan the PRI file as well as your computer for malware or viruses. PRI file is infected with malware? Follow the steps suggested by your antivirus software.

2. Check whether the file is corrupted or damaged

If the PRI file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. It could happen the the download process of file with PRI extension was interrupted and the file data is defective. Download the file again from the same source.

3. Verify whether your account has administrative rights

Sometimes in order to access files user need to have administrative privileges. Log in using an administrative account and see If this solves the problem.

4. Verify that your device fulfills the requirements to be able to open Nokia Qt SDK

If the systems has insufficient resources to open PRI files, try closing all currently running applications and try again.

5. Check if you have the latest updates to the operating system and drivers

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Qt Project Include Format file. It may be the case that the PRI files work properly with updated software that addresses some system bugs.

Conversion of a PRI file

File Conversions from PRI extension to a different format
File conversions from other format to PRI file
Do you want to help?

If you have additional information about the PRI file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on PRI file.

Top File Extensions
Show more
File Extension of the day
crd icon


Windows CardSpace Format

CRD files store data used by Windows CardSpace. What kind of data CRD files contain? CRD files store such information as: names, addresses, ...